ActAI
Open positions
AI Backend Engineer — Low-Latency, Scalable Inference
Backend engineer at ActAI who owns the AI inference and orchestration layer — building fast, low-latency APIs between ML models and clients while shipping production systems and improving observability, as part of a small Singapore-based team working alongside ML researchers and frontend engineers.
Backend Engineer, AI (Agent Systems)
Backend engineer at ActAI (an early-stage AI startup building an agent-first mobile communication app) who owns the inference and orchestration layer behind all AI features. Day to day: building and operating production backend services and AI pipelines, optimizing latency/throughput with caching, batching and streaming, and handling monitoring and incident response using Python, Node.js, PyTorch,
iOS Software Engineer
Owns the iOS client for ActAI's agent-first AI communication app, building a production-grade Swift/SwiftUI application where AI interactions are central — integrating AI features via backend APIs, designing AI UX patterns, and optimizing performance, memory, and reliability.
AI-Driven iOS Engineer - SwiftUI & On-Device ML
ActAI is hiring an experienced iOS engineer to own the iOS client for an AI-centric product, building a production-grade SwiftUI app with on-device ML. Day to day: designing AI interaction UX and APIs with backend/ML engineers and optimizing latency, streaming responses, and memory efficiency.